Recycle and reuse mass exchange networks based on properties using a global optimization technique
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This paper presents a rigorous model for the optimal design of mass exchange networks based on properties under a recycle and reuse scheme. The model features an in-plant treatment system and considers simultaneously process and environmental constraints for properties such as composition, toxicity, pH, chemical oxygen demand, density and viscosity. The model is a mixed integer non linear programming problem with bilinear terms on the property balances, and it is solved using a global optimization algorithm. The advantages of the proposed approach over sequential methodologies are shown with the solution of two cases of study. 2010 Elsevier B.V. All rights reserved.